... Terentius took the Armenian
forces by surprise and completely routed them. Bab, who did not
think that Terentius was so near, and consequently had taken no measures
to provide for his personal safety, was taken prisoner and killed... (Armenia
and the Armenians, Isavertenc, 1878)

... Far more important and
dangerous was the rise of a new fanatical sect, the Babis. This
sect was founded by a dervish, Sad Ali Mohammed, who assumed the name of
Bab (Arabic for gate), declared himself to be a prophet and
preached a new doctrine founded on the mystic Sufism and combining
elements of pantheism and extreme socialism... (The History of
Nations, Lodge, v.5, 1913)